Type: BALL
Structure: Deep Groove
Applicable Industries: Building Material Shops, Printing Shops, Farms, Construction works , Garment Shops, Restaurant, Advertising Company, Machinery Repair Shops, Food & Beverage Shops, Food Shop, Retail, Energy & Mining, Manufacturing Plant, Food & Beverage Factory, Hotels, Home Use, Other
Bore Size: 4.75 – 4.76 inch
Model Number: KA047CP0
Precision Rating: P0
Seals Type: ZZ 2RS OPEN
Number of Row: Single row
Bearing’s Type: KA047CP0 thin wall ball bearings
Certificate: CE
OEM Service: Custom bearing’s size, logo, packing ,etc.
Packaging Details: 1, Universal Packing2, HXHV Packing3, Customized Packing4, Other original Packing
Port: ZheJiang , HangZhou, HangZhou, etc

Products Description Attention:The price above is only for reference ! Please contact us for the exact price.The final cost depends on shipping cost, bearing’s material, precision and packing, etc. Material: Chrome steel rings & brass retainerSample: AvailableMOQ: $100 per oerder.Optional Brand: Universal / HXHV / Customized / Original BrandOptional Material: chrome steel / stainless steel / full ceramic / hybrid ceramic / POM plastic Type of thin wall bearing:Thin section bearingsThin section deep groove ball bearingThin section angular contact ball bearingsNon-standard thin section bearing Special thin section bearing for robotHigh operation precision, easy installation, save space Non-standard customization: to meet customers’ requirements for non-standard bearingsIndependent research and development: provide competitive price of thin wall bearingsProduction strength: advanced testing equipment Why Choose us:Factory direct saleIndependent productionQuick shipmentIn StockResearch and development abilityAfter-sale serviceCertificate: CE OEM Service:Customized bearing’s logoCustomized bearing’s sizeCustomized bearing’s packingCustomized bearing’s material.We can engrave your logo and bearing’s model number on bearings by laser. Tip: If full customized, buyer can send us the drawing or samples, we will quote you after that. Once we reach agreement about the cost, we will start to produce the samples for your testing. When you confirmed the quality and function of the samples, we wil sign contract and start the mass production. The goods will be the same with samples. Material:Standard bearing’s material is chrome steel (GCr15). It is also called bearing steel. The material can become oxidized and rust after prolonged exposure to humid air, so we filled them with oil or grease to prevend rusting. Stainless steel bearing material. We usually use 440 stainless steel to produce the bearing. It has stronger rust and corrosion resistance, so generally do not need to add lubricating oil or lubricant. Relative to bearing steel, stainless steel quality is better, the price is more expensive. Full Ceramic or hybrid ceramic material. The ceramics used in the production of bearings are generally black silicon nitride(Si3N4) and white zirconia (ZrO2). Plastic bearing are usually made of POM, PA inner and outside rings, glass balls and nylon retainer.To reduce the cost and avoide rusting, buyers can also choose the chea carbon steel material and zinc coated on bearing surface. The best fit is the best, not the most expensive.And it mainly depends on where the bearing will be used and buyer’s requirement. Full ceramic thin section ball bearings Retainer:Steel Bearing’s retainer are normally be made of stainless steel, chrome steel, carbon steel. And the retainer type is ribbonsteel retainer or crown steel retainer.Full ceramic or hybrid ceramic bearings’ retainer are usually made of plastic POM, Nylon, or high polymer material PTFE , PEEK. Seal Type:ZZ type —- Bearing is sealed by steel on both sides.2RS type —- Bearing is sealed by black, blue or other colful rubber on both sides.Open type —- Bearing comes without seal on any side. Lubrication:Oil Lubrication usually be used for small bearings.Grease Lubrication usually be used for bearings with bigger size.Function: the oil and grease will reduce the speed of bearing, but they can also prevent from rusting, extend the service life of the bearings Radil Clearance:The radial clearance of our bearing can be classified C2, C0, C3, C4 & C5 according to customer’s request. Vibration and Noise:The vibration and noise of bearing are classified in 4 classes Z1 Z2 Z3 Z4. It is measured by the instrument of S571-1. For special requirement, it is meassured by BVT-1 and classifited as V1 V2 and V3. Different vibration and noise requirement should be mention in advance. Packing:Universal Packing comes without any brand, logo or company name on products and packing box. We pack with plastic tube, white inner box, butter pater, plastic bag, etc.HXHV Packing is our own packing with our brand on packin box.Customized Packing depends on buyer’s requirement. we can print your logo on packing box, produce the inner box with your drawing.Original Brand Packing is only depends on the bearing’s supplier Application:HXHV bearings are widely used in automobile, bicycle, reducer, medical equipment, sports equipment, aviation, robot joints, machine tools, packaging equipment, textile machinery, semiconductor processing equipment and rotating table and other transmission devices. HXHV bearings can also be used for family appliance and business equipment. Such as air-condition, wahser, cleaner, massage chair, sewing machine, rangehood, micro-wave oven, duplicating machine, etc. Precision:According to the international standard, the accuracy of bearing can be divided in to 5 grades: normal grade P0, high grade P6, accurate grade P5, over accuracy grade P4 and over the 4th grade P2. The contrast of bearing accuracy see table below.

CountryStandardAccuracy Grade
ChinaGB307.1P0P6P5P4P2
International Standard OrganizationISONormal ClassClass6Class5Class4Class2
Sweden**P0P6P5P4P2
GermanyDINP0P6P5P4P2
JapanJISP0P6P5P4P2
U.S.AANSIABEC1ABEC3ABEC5ABEC7ABEC9
Our Product Range:Thin Section Ball Bearings,Slewiing Bearings,Deep Groove Ball Bearings,Micro Ball Bearings,Flange Bearings,Ceramic BallBearings,Angular Contact Ball Bearings,Thrust Ball Bearings,Thrust Roller Bearings,Spherical Plain Bearings,Tapered RollerBearings,Linear Motion Xihu (West Lake) Dis. System,Ball Screw,Linear Bushing,Non-standard Bearings,Stainless Steel Bearings,Door & Window Rollers,Needle Roller Bearings,Wheel Hub Bearings,Spherical Roller Bearings,Rod-end Bearings,Cylindrical Roller Bearings,Pillow Block Bearings,Self-aligning Ball Bearings,Customized Plastic Parts,Copper Bushing,Bearing Parts We have a complete range of bearing, can provide customers with safe and assured one-stop procurement services. Lead-Time:If there are semi-finished materials in warehouse, the general lead time is 3 to 5 days.If we need to purchase raw materials, it usually takes about 7 to 15 days according to the customer’s order quantity. Delivery:By Air. Goods under 100 kg are usually sent by international express, such as DHL, UPS, FEDEX, etc., for the sake of timeliness of transportation.By sea. If the goods are heavy, they will arrive at the port of destination about 30 days from the date of shipment. Payment Terms:We offer a variety of secure payment methods: T/T, L/C, Paypal, Western Union, Money Grame, Cash, etc. Warranty:We do not produce poor quality bearings, so there are few bearing quality after-sales problems. Of course, if there is a problem, we will actively cooperate with the buyer to solve the problem, never escape any problem. Please contact us for more details and the latest price. Buyers Comments Recommend Products Visit Store

Materials Used in Bearings

If you’re not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here’s a look at what each type of bearing is made of, how it’s used, and how much they cost. To find the right bearing for your application, it’s important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine’s parts from damage and premature wear.

Materials used in bearings

Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are two of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.

Applications of bearings

bearing
Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let’s examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you’re in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.

Types of bearings

bearing
The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.

Cost of bearings

A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for one set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for one side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of one or two wheel bearings will depend on the model and year of the vehicle. For a small car, one rear wheel bearing can cost between $190 and $225, whereas two front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.

Inspection of bearings

bearing
To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.

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